Made under Occupational Health and Safety Act, 1993. Comprehensive legislation on hazardous biological agents (HBA). Applies to every employer and self-employed person at a workplace where (a) HBA are deliberately produced, processed, used, handled, stored or transported; or (b) an incident occurs that does not involve a deliberate intention to work with HBA but may result in persons being exposed to HBA in the performance of his or her work. Provides for classification of biological agents, information and training, duties of persons who might be exposed to HBA, monitoring exposure at workplace, medical surveillance, records, control of exposure to HBA, personal protective equipment and facilities, maintenance of control measures and equipment, prohibitions, labelling, packaging, transportation, storage, special measures for health and veterinary isolation facilities, disposal of HBA, and offences and penalties. Annex B contains guidelines for categorisation of biological agents according to hazard and categories of containment.